Securities And Exchange Board Of India - Subsection
Section 291(5)(a) in The Securities and Exchange Board of India (Issue of Capital and Disclosure Requirements) Regulations, 2018
(a)The minimum promoters contribution including contribution made by alternative investment funds or foreign venture capital investors or scheduled commercial banks or public financial institutions or insurance companies registered with the Insurance Regulatory and Development Authority of India, shall be locked in for a period of three years from the date on which trading approval in regular category of main board is granted, and any excess over and above the 20% of promoters holding shall be locked-in for a period of one year.